Ok, so I've got some money saved for the D800, I already own a 50mm 1.4 and I plan on buying a 20mm 2.8. I'd like to cover the more telephoto range in my lenses so I'm thinking about buying the 85mm 1.8. I would love the 1.4, but it's way too expensive for me. Does anyone here have any experience with this lens? Is it any good?

The 85/1.8 is a very good lens, and compares well to the 85/1.4 (any model) that costs 3 times as much. Optically, they perform nearly identically at the same apertures; you are paying the extra $1000 for the 2/3 of a stop (although to be fair, when it is dark you will want every stop you can get). Ergonomically, the lenses are nearly identical, although the 1.4G obvious has easier manual focus override.

gelu88 said:
If possible, someone with the 1.4 should post some identical pics at 1.4 and 1.8 . . .

I've always wanted an A-B comparison of the two myself. Here's two DIFFERENT images with the two lenses: the f/1.4 version (second image) was taken at the Nikon dealer with their demo lens.

Nikon D90
AF Nikkor 85mm f/1.8 @ f/1.8

Both images have nearly the same subject-to-camera distance (the photo of the girl is several inches closer), but the image of the girl above is a bit misleading--the background is fairly far away; perhaps 250' or more. Whereas, in the image shown below, the photo was taken inside a camera store, and the background is only about 20' away.

Gyro said:
These pictures are awesome. What about quality of bokeh compared to 1.4s?

Almost nothing beats the 1.4 Gs bokeh but it is probably Nikon's 2nd or 3rd best in the fast primes. Bokeh is subjective but I think Regulator75 images show well that it is round diaphragm not hexagon. There are enough examples here for you to judge.